package com.zsw.filter;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet Filter implementation class BasicFilter
 */
public class BasicFilter implements Filter {

	/**
	 * Default constructor.
	 */
	public BasicFilter() {
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		HttpServletRequest httpRequest = (HttpServletRequest) request;
		HttpServletResponse httpResponse = (HttpServletResponse) response;
		httpResponse.setHeader("Access-Control-Allow-Origin", "*");
		httpResponse.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
		httpResponse.setHeader("Access-Control-Allow-Headers", "content-type,x-requested-with,Authorization,auth");

		httpResponse.setCharacterEncoding("UTF-8");

		chain.doFilter(httpRequest, httpResponse);

	}

	private Boolean checkAutho(HttpServletRequest request) {
		Boolean returnValue = false;
		return returnValue;
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {

	}

}
